Chunnel • Connects England and France. • Built underneath the English Channel. • cost $3.6 billion to build • takes about 20-30 minutes to get through at about 100 miles per hour. • 3 tunnels- two for trains and one for service/escape.
Chunnel • What type of HEI? • What environmental concerns result from the construction of the Chunnel?
Gotthard Base Tunnel • Cuts through the Swiss Alps. • Longest tunnel in the world. 37 miles. • Will be completed in 2017. Cost $11 billion • Will improve trade and travel through the Alps from North and Southern Europe.
Gotthard Base Tunnel • What type of HEI? • What environmental concerns result from the construction of this tunnel?
Canals of Venice, Italy • City is uniquely landscaped with 150 canals, 118 islands, and 400 bridges. • City has only about 270,000 residents, but sees millions of tourists each year. • Main waterway is called the Grand Canal.
Canals of Venice, Italy • What type of HEI? • What are some environmental concerns resulting from the canals?
Netherlands Dikes • Built to reclaim land from the sea. • 1986: 12th Dutch Province added as a result of reclaimed land. • Originally engineered to create additional farmland, but now is a large source of power.
Netherlands Dikes • What type of HEI? • What environmental concerns to the Dutch face as a result of the dikes?